More journey. Less juggling.

emonster travel builds thoughtful mobile tools designed to make details easier to navigate, reduce avoidable friction, and lighten the mental load along the way.

Meet the tools

Our purpose

Travel smarter. Stay open to the journey.

We focus each product on a real travel moment. The aim is simple: handle useful details with care, so there is more room to notice, explore, and enjoy the experience.

Focused tools for real travel moments.

Each app does one job with care—from the airports behind you to the Tokyo neighborhoods and shop shelves ahead.

SkyStamp

iPhone · iOS 18 or later

Keep an airport passport that’s yours.

Record the airports you visit, map your journey, spot travel patterns, and share milestones from a private, account-free app.

  • Visit history
  • Maps and travel patterns
  • Milestones and aviation quizzes
SkyStamp Passport screen showing confirmed and manually recorded airport visits

Vintokyo

Pre-release · iPhone · iOS 18 or later

Find Tokyo’s vintage character, neighborhood by neighborhood.

Explore curated vintage shops across Tokyo and Greater Tokyo with map-first discovery, trip planning, and offline access.

  • Curated shops
  • Maps and neighborhoods
  • Trips and offline access

No public App Store listing

Vintokyo map screen for discovering vintage shops across Tokyo

Price Tag FX

iPhone · iOS 18 or later

Read the price tag before checkout.

Scan a foreign retail label, identify likely tax, sale, member, bundle, and unit-price roles, then estimate the value in your chosen currency. Verify the final amount at checkout.

  • Camera or photo scan
  • Likely price-role clues
  • Estimated currency conversion
Price Tag FX scan screen estimating a converted price from a Japanese retail label
Price Tag FX being used with an iPhone in a Japanese shop aisle

Manhole Quest

iPhone + iPad · iOS / iPadOS 18 or later

Discover Japan, one walk at a time.

Find decorative manhole covers across Japan, plan walks with the map, and download supported areas before you go. Scan covers on site and keep your discoveries in a personal collection, with no account required.

  • Maps and walking discoveries
  • Downloadable map areas
  • On-site scans and collection progress
Manhole Quest Explore map showing decorative manhole-cover locations across Hokkaido

Paper City Guide

Printable city guides · Analog travel

Take the city with you. On paper.

Paper City Guide makes illustrated city guides to download, print, fold, and carry. Each guide brings together practical details, things to notice, and space for your own notes. It’s a simple way to explore at your own pace, spend less time on a screen, and pay more attention to the places around you.

Paper City Guide’s printable Tokyo Tower guide with an illustration, practical details, and space for notes